Ion air gun



FIG. 1 is a perspective view of a new design for an ion air gun;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of portions of the ion air gun is included for the purpose of illustrating portions of the article and forms no part of the claimed design. The shading is provided to illustrate contour only and is not an indication of texture, gloss, etc. 

CLAIM The ornamental design for an ion air gun, as shown and described. 